Wegener’s hypothesis of stated that Earth’s continents had once been joined as a single landmass.

343^x = 49^4-xx = 4-xx+x=42x = 4x = 4/2x = 2therefore x = 2

Build a market-oriented economy;

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The earth spins around. one side faces the sun, one side faces space. the side facing the sun, we call daytime. side facing away is cooler and is nighttime. a day on earth is 24 hours, that’s how long it takes the earth to fully rotate one time. hope this !